. >>> christmas prayers are going out to nelson mandela. south africans are sending warm wishes to the ormer leader. he's been in the hospital for more than two weeks with a lung infection and gal stone surgery, as well. he's in no imminent danger but doctors want to make sure before releasing him. the icon is 94 years old. >>> now we turn to britain, where thousands of christmas travelers are having a rough go today. flooding has shut down train service in many areas, especially in scotland, southwest england and south wales, as well. in highways there impassable. drivers have been warned not to travel unless absolutely necessary. and more rain expected later today. >>> severe flooding is a problem in northern california. highways in sonoma california are under water. and up in the mountains, up to four feet of snow expected to fall in the sierra nevada. it is the second wave of storms to hit northern california sense friday. the rainy weather also grounded dozens of flights around the san francisco bay area. the san francisco internationa